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gck-rpc-module.c
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gck-rpc-module.c
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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* gkr-pkcs11-rpc-module.c - a PKCS#11 module which communicates with another process
Copyright (C) 2008, Stefan Walter
The Gnome Keyring Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The Gnome Keyring Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the Gnome Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
Author: Stef Walter <[email protected]>
*/
#include "config.h"
#include "gck-rpc-layer.h"
#include "gck-rpc-private.h"
#include "pkcs11/pkcs11.h"
#include <sys/types.h>
#include <sys/param.h>
#ifdef __MINGW32__
# include <winsock2.h>
#else
# include <sys/socket.h>
# include <sys/un.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#endif
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <stdint.h>
#include <pthread.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
/* -------------------------------------------------------------------
* GLOBALS / DEFINES
*/
/* Various mutexes */
static pthread_mutex_t init_mutex = PTHREAD_MUTEX_INITIALIZER;
/* Whether we've been initialized, and on what process id it happened */
static int pkcs11_initialized = 0;
static pid_t pkcs11_initialized_pid = 0;
static uint64_t pkcs11_app_id = 0;
/* The socket to connect to */
static char pkcs11_socket_path[MAXPATHLEN] = { 0, };
/* The error used by us when parsing of rpc message fails */
#define PARSE_ERROR CKR_DEVICE_ERROR
/* -----------------------------------------------------------------------------
* LOGGING and DEBUGGING
*/
#define DEBUG_OUTPUT 0
#if DEBUG_OUTPUT
#define debug(x) gck_rpc_debug x
#else
#define debug(x)
#endif
#define warning(x) gck_rpc_warn x
#define return_val_if_fail(x, v) \
if (!(x)) { gck_rpc_warn ("'%s' not true at %s", #x, __func__); return v; }
void gck_rpc_log(const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
vfprintf(stderr, msg, ap);
fprintf(stderr, "\n");
va_end(ap);
}
/* -----------------------------------------------------------------------------
* MODULE ARGUMENTS
*/
static void parse_argument(char *arg)
{
char *value;
value = arg + strcspn(arg, ":=");
if (!*value)
value = NULL;
else
*(value++) = 0;
/* Setup the socket path from the arguments */
if (strcmp(arg, "socket") == 0)
snprintf(pkcs11_socket_path, sizeof(pkcs11_socket_path), "%s",
value);
else
warning(("unrecognized argument: %s", arg));
}
static void parse_arguments(const char *string)
{
char quote = '\0';
char *src, *dup, *at, *arg;
if (!string)
return;
src = dup = strdup(string);
if (!dup) {
warning(("couldn't allocate memory for argument string"));
return;
}
arg = at = src;
for (src = dup; *src; src++) {
/* Matching quote */
if (quote == *src) {
quote = '\0';
/* Inside of quotes */
} else if (quote != '\0') {
if (*src == '\\') {
*at++ = *src++;
if (!*src) {
warning(("couldn't parse argument string: %s", string));
goto done;
}
if (*src != quote)
*at++ = '\\';
}
*at++ = *src;
/* Space, not inside of quotes */
} else if (isspace(*src)) {
*at = 0;
parse_argument(arg);
arg = at;
/* Other character outside of quotes */
} else {
switch (*src) {
case '\'':
case '"':
quote = *src;
break;
case '\\':
*at++ = *src++;
if (!*src) {
warning(("couldn't parse argument string: %s", string));
goto done;
}
/* fall through */
default:
*at++ = *src;
break;
}
}
}
if (at != arg)
parse_argument(arg);
done:
free(dup);
}
/* -----------------------------------------------------------------------------
* CALL SESSION
*/
enum CallStatus {
CALL_INVALID,
CALL_READY,
CALL_PREP,
CALL_TRANSIT,
CALL_PARSE
};
typedef struct _CallState {
int socket; /* The connection we're sending on */
GckRpcMessage *req; /* The current request */
GckRpcMessage *resp; /* The current response */
int call_status;
struct _CallState *next; /* For pooling of completed sockets */
} CallState;
/* Maximum number of idle calls */
#define MAX_CALL_STATE_POOL 8
/* All call unused call states are in this list */
static CallState *call_state_pool = NULL;
static unsigned int n_call_state_pool = 0;
/* Mutex to protect above call state list */
static pthread_mutex_t call_state_mutex = PTHREAD_MUTEX_INITIALIZER;
/* Allocator for call session buffers */
static void *call_allocator(void *p, size_t sz)
{
void *res = realloc(p, (size_t) sz);
if (!res && sz)
warning(("memory allocation of %lu bytes failed", sz));
return res;
}
static void call_disconnect(CallState * cs)
{
assert(cs);
if (cs->socket != -1) {
debug(("disconnected socket"));
close(cs->socket);
cs->socket = -1;
}
}
/* Write all data to session socket. */
static CK_RV call_write(CallState * cs, unsigned char *data, size_t len)
{
int fd, r;
assert(cs);
assert(data);
assert(len > 0);
while (len > 0) {
fd = cs->socket;
if (fd == -1) {
warning(("couldn't send data: socket has been closed"));
return CKR_DEVICE_ERROR;
}
r = send(fd, (void *)data, len, 0);
if (r == -1) {
if (errno == EPIPE) {
warning(("couldn't send data: daemon closed connection"));
call_disconnect(cs);
return CKR_DEVICE_ERROR;
} else if (errno != EAGAIN && errno != EINTR) {
warning(("couldn't send data: %s",
strerror(errno)));
return CKR_DEVICE_ERROR;
}
} else {
debug(("wrote %d bytes", r));
data += r;
len -= r;
}
}
return CKR_OK;
}
/* Read a certain amount of data from session socket. */
static CK_RV call_read(CallState * cs, unsigned char *data, size_t len)
{
int fd, r;
assert(cs);
assert(data);
assert(len > 0);
while (len > 0) {
fd = cs->socket;
if (fd == -1) {
warning(("couldn't receive data: session socket has been closed"));
return CKR_DEVICE_ERROR;
}
r = recv(fd, (void *)data, len, 0);
if (r == 0) {
warning(("couldn't receive data: daemon closed connection"));
call_disconnect(cs);
return CKR_DEVICE_ERROR;
} else if (r == -1) {
if (errno != EAGAIN && errno != EINTR) {
warning(("couldn't receive data: %s",
strerror(errno)));
return CKR_DEVICE_ERROR;
}
} else {
debug(("read %d bytes", r));
data += r;
len -= r;
}
}
return CKR_OK;
}
static CK_RV call_connect(CallState * cs)
{
struct sockaddr_un addr;
int sock;
assert(cs);
assert(cs->socket == -1);
assert(cs->call_status == CALL_INVALID);
assert(pkcs11_socket_path[0]);
debug(("connecting to: %s", pkcs11_socket_path));
memset(&addr, 0, sizeof(addr));
if (!strncmp("tcp://", pkcs11_socket_path, 6)) {
int one = 1, port;
char *p = NULL;
const char *ip;
ip = strdup(pkcs11_socket_path + 6);
if (ip)
p = strchr(ip, ':');
if (!p || !ip) {
gck_rpc_warn("invalid syntax for pkcs11 socket : %s",
pkcs11_socket_path);
return CKR_DEVICE_ERROR;
}
*p = '\0';
port = strtol(p + 1, NULL, 0);
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock < 0) {
gck_rpc_warn("couldn't create pkcs11 socket: %s",
strerror(errno));
return CKR_DEVICE_ERROR;
}
if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
(char *)&one, sizeof(one)) == -1) {
gck_rpc_warn
("couldn't create set pkcs11 socket options : %s",
strerror(errno));
return CKR_DEVICE_ERROR;
}
addr.sun_family = AF_INET;
if (inet_aton(ip, &((struct sockaddr_in *)&addr)->sin_addr) ==
0) {
gck_rpc_warn("bad inet address : %s", ip);
return CKR_DEVICE_ERROR;
}
((struct sockaddr_in *)&addr)->sin_port = htons(port);
} else {
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, pkcs11_socket_path,
sizeof(addr.sun_path));
sock = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock < 0) {
warning(("couldn't open socket: %s", strerror(errno)));
return CKR_DEVICE_ERROR;
}
}
#ifndef __MINGW32__
/* close on exec */
if (fcntl(sock, F_SETFD, 1) == -1) {
close(sock);
warning(("couldn't secure socket: %s", strerror(errno)));
return CKR_DEVICE_ERROR;
}
#endif
if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
close(sock);
warning(("couldn't connect to: %s: %s", pkcs11_socket_path,
strerror(errno)));
return CKR_DEVICE_ERROR;
}
cs->socket = sock;
cs->call_status = CALL_READY;
debug(("connected socket"));
return call_write(cs, (unsigned char*)&pkcs11_app_id,
sizeof(pkcs11_app_id));
}
static void call_destroy(void *value)
{
CallState *cs = value;
if (value) {
call_disconnect(cs);
assert(cs->socket == -1);
gck_rpc_message_free(cs->req);
gck_rpc_message_free(cs->resp);
free(cs);
debug(("destroyed state"));
}
}
static CK_RV call_lookup(CallState ** ret)
{
CallState *cs = NULL;
CK_RV rv;
assert(ret);
pthread_mutex_lock(&call_state_mutex);
/* Pop one from the pool if possible */
if (call_state_pool != NULL) {
cs = call_state_pool;
call_state_pool = cs->next;
cs->next = NULL;
assert(n_call_state_pool > 0);
--n_call_state_pool;
}
pthread_mutex_unlock(&call_state_mutex);
if (cs == NULL) {
cs = calloc(1, sizeof(CallState));
if (cs == NULL)
return CKR_HOST_MEMORY;
cs->socket = -1;
cs->call_status = CALL_INVALID;
/* Try to connect the call */
rv = call_connect(cs);
if (rv != CKR_OK) {
free(cs);
return rv;
}
}
assert(cs->call_status == CALL_READY);
assert(cs->socket != -1);
assert(cs->next == NULL);
*ret = cs;
return CKR_OK;
}
/* Perform the initial setup for a new call. */
static CK_RV call_prepare(CallState * cs, int call_id)
{
assert(cs);
assert(cs->call_status == CALL_READY);
/* Allocate a new request if we've lost the old one */
if (!cs->req) {
cs->req = gck_rpc_message_new(call_allocator);
if (!cs->req) {
warning(("cannot allocate request buffer: out of memory"));
return CKR_HOST_MEMORY;
}
}
/* Put in the Call ID and signature */
gck_rpc_message_reset(cs->req);
if (!gck_rpc_message_prep(cs->req, call_id, GCK_RPC_REQUEST))
return CKR_HOST_MEMORY;
debug(("prepared call: %d", call_id));
/* Ready to fill in arguments */
cs->call_status = CALL_PREP;
return CKR_OK;
}
/*
* Used by call_session_do_call() to actually send the message to the daemon.
* Note how we unlock and relock the session during the call.
*/
static CK_RV call_send_recv(CallState * cs)
{
GckRpcMessage *req, *resp;
unsigned char buf[4];
uint32_t len;
CK_RV ret;
assert(cs);
assert(cs->req);
assert(cs->call_status == CALL_PREP);
cs->call_status = CALL_TRANSIT;
/* Setup the response buffer properly */
if (!cs->resp) {
/* TODO: Do secrets or passwords ever flow through here? */
cs->resp = gck_rpc_message_new(call_allocator);
if (!cs->resp) {
warning(("couldn't allocate response buffer: out of memory"));
return CKR_HOST_MEMORY;
}
}
gck_rpc_message_reset(cs->resp);
/*
* Now as an additional check to make sure nothing nasty will
* happen while we are unlocked, we remove the request and
* response from the session during the action.
*/
req = cs->req;
resp = cs->resp;
cs->req = cs->resp = NULL;
/* Send the number of bytes, and then the data */
egg_buffer_encode_uint32(buf, req->buffer.len);
ret = call_write(cs, buf, 4);
if (ret != CKR_OK)
goto cleanup;
ret = call_write(cs, req->buffer.buf, req->buffer.len);
if (ret != CKR_OK)
goto cleanup;
/* Now read out the number of bytes, and then the data */
ret = call_read(cs, buf, 4);
if (ret != CKR_OK)
goto cleanup;
len = egg_buffer_decode_uint32(buf);
if (!egg_buffer_reserve(&resp->buffer, len + resp->buffer.len)) {
warning(("couldn't allocate %u byte response area: out of memory", len));
ret = CKR_HOST_MEMORY;
goto cleanup;
}
ret = call_read(cs, resp->buffer.buf, len);
if (ret != CKR_OK)
goto cleanup;
egg_buffer_add_empty(&resp->buffer, len);
if (!gck_rpc_message_parse(resp, GCK_RPC_RESPONSE))
goto cleanup;
debug(("received response from daemon"));
cleanup:
/* Make sure nobody else used this thread while unlocked */
assert(cs->call_status == CALL_TRANSIT);
assert(cs->resp == NULL);
cs->resp = resp;
assert(cs->req == NULL);
cs->req = req;
return ret;
}
/*
* At this point the request is ready. So we validate it, and we send it to
* the daemon for a response.
*/
static CK_RV call_run(CallState * cs)
{
CK_RV ret = CKR_OK;
CK_ULONG ckerr;
assert(cs);
assert(cs->req);
assert(cs->call_status == CALL_PREP);
assert(cs->socket != -1);
/* Did building the call fail? */
if (gck_rpc_message_buffer_error(cs->req)) {
warning(("couldn't allocate request area: out of memory"));
return CKR_HOST_MEMORY;
}
/* Make sure that the signature is valid */
assert(gck_rpc_message_is_verified(cs->req));
/* Do the dialog with daemon */
ret = call_send_recv(cs);
cs->call_status = CALL_PARSE;
if (ret != CKR_OK)
return ret;
/* If it's an error code then return it */
if (cs->resp->call_id == GCK_RPC_CALL_ERROR) {
if (!gck_rpc_message_read_ulong(cs->resp, &ckerr)) {
warning(("invalid error response from gnome-keyring-daemon: too short"));
return CKR_DEVICE_ERROR;
}
if (ckerr <= CKR_OK) {
warning(("invalid error response from gnome-keyring-daemon: bad error code"));
return CKR_DEVICE_ERROR;
}
/* An error code from the daemon */
return (CK_RV) ckerr;
}
/* Make sure daemon answered the right call */
if (cs->req->call_id != cs->resp->call_id) {
warning(("invalid response from gnome-keyring-daemon: call mismatch"));
return CKR_DEVICE_ERROR;
}
assert(!gck_rpc_message_buffer_error(cs->resp));
debug(("parsing response values"));
return CKR_OK;
}
static CK_RV call_done(CallState * cs, CK_RV ret)
{
assert(cs);
assert(cs->call_status > CALL_INVALID);
if (cs->call_status == CALL_PARSE && cs->req && cs->resp) {
/* Check for parsing errors that were not caught elsewhere */
if (ret == CKR_OK) {
if (gck_rpc_message_buffer_error(cs->resp)) {
warning(("invalid response from gnome-keyring-daemon: bad argument data"));
ret = CKR_GENERAL_ERROR;
} else {
/* Double check that the signature matched our decoding */
assert(gck_rpc_message_is_verified(cs->resp));
}
}
}
/* Certain error codes cause us to discard the conenction */
if (ret != CKR_DEVICE_ERROR && ret != CKR_DEVICE_REMOVED
&& cs->socket != -1) {
/* Try and stash it away for later use */
pthread_mutex_lock(&call_state_mutex);
if (n_call_state_pool < MAX_CALL_STATE_POOL) {
cs->call_status = CALL_READY;
assert(cs->next == NULL);
cs->next = call_state_pool;
call_state_pool = cs;
++n_call_state_pool;
cs = NULL;
}
pthread_mutex_unlock(&call_state_mutex);
}
if (cs != NULL)
call_destroy(cs);
return ret;
}
/* -----------------------------------------------------------------------------
* MODULE SPECIFIC PROTOCOL CODE
*/
static CK_RV
proto_read_attribute_array(GckRpcMessage * msg, CK_ATTRIBUTE_PTR arr,
CK_ULONG len)
{
uint32_t i, num, value, type;
CK_ATTRIBUTE_PTR attr;
const unsigned char *attrval;
size_t attrlen;
unsigned char validity;
CK_RV ret;
assert(len);
assert(msg);
/* Make sure this is in the right order */
assert(!msg->signature || gck_rpc_message_verify_part(msg, "aA"));
/* Get the number of items. We need this value to be correct */
if (!egg_buffer_get_uint32
(&msg->buffer, msg->parsed, &msg->parsed, &num))
return PARSE_ERROR;
if (len != num) {
/*
* This should never happen in normal operation. It denotes a goof up
* on the other side of our RPC. We should be indicating the exact number
* of attributes to the other side. And it should respond with the same
* number.
*/
warning(("received an attribute array with wrong number of attributes"));
return PARSE_ERROR;
}
ret = CKR_OK;
/* We need to go ahead and read everything in all cases */
for (i = 0; i < num; ++i) {
/* The attribute type */
egg_buffer_get_uint32(&msg->buffer, msg->parsed,
&msg->parsed, &type);
/* Attribute validity */
egg_buffer_get_byte(&msg->buffer, msg->parsed,
&msg->parsed, &validity);
/* And the data itself */
if (validity) {
if (egg_buffer_get_uint32
(&msg->buffer, msg->parsed, &msg->parsed, &value)
&& egg_buffer_get_byte_array(&msg->buffer,
msg->parsed,
&msg->parsed, &attrval,
&attrlen)) {
if (attrval && value != attrlen) {
warning(("attribute length does not match attribute data"));
return PARSE_ERROR;
}
attrlen = value;
}
}
/* Don't act on this data unless no errors */
if (egg_buffer_has_error(&msg->buffer))
break;
/* Try and stuff it in the output data */
if (arr) {
attr = &(arr[i]);
if (attr->type != type) {
warning(("returned attributes in invalid order"));
return PARSE_ERROR;
}
if (validity) {
/* Just requesting the attribute size */
if (!attr->pValue) {
attr->ulValueLen = attrlen;
/* Wants attribute data, but too small */
} else if (attr->ulValueLen < attrlen) {
attr->ulValueLen = attrlen;
ret = CKR_BUFFER_TOO_SMALL;
/* Wants attribute data, value is null */
} else if (attrval == NULL) {
attr->ulValueLen = 0;
/* Wants attribute data, enough space */
} else {
CK_ULONG a;
/* Attribute len is an integer, but
* does not match CK_ULONG size, it's certainly
* a CK_ULONG from a different platform */
if (attrlen == sizeof(uint64_t) &&
sizeof(CK_ULONG) != sizeof(uint64_t) &&
gck_rpc_has_ulong_parameter(attr->type)) {
attrlen = sizeof(CK_ULONG);
a = *(uint64_t *) attrval;
attrval = (unsigned char *)&a;
}
attr->ulValueLen = attrlen;
memcpy(attr->pValue, attrval, attrlen);
}
/* Not a valid attribute */
} else {
attr->ulValueLen = ((CK_ULONG) - 1);
}
}
}
if (egg_buffer_has_error(&msg->buffer))
return PARSE_ERROR;
/* Read in the code that goes along with these attributes */
if (!gck_rpc_message_read_ulong(msg, &ret))
return PARSE_ERROR;
return ret;
}
static CK_RV
proto_read_byte_array(GckRpcMessage * msg, CK_BYTE_PTR arr,
CK_ULONG_PTR len, CK_ULONG max)
{
const unsigned char *val;
unsigned char valid;
size_t vlen;
assert(len);
assert(msg);
/* Make sure this is in the right order */
assert(!msg->signature || gck_rpc_message_verify_part(msg, "ay"));
/* A single byte which determines whether valid or not */
if (!egg_buffer_get_byte
(&msg->buffer, msg->parsed, &msg->parsed, &valid))
return PARSE_ERROR;
/* If not valid, then just the length is encoded, this can signify CKR_BUFFER_TOO_SMALL */
if (!valid) {
if (!egg_buffer_get_uint32
(&msg->buffer, msg->parsed, &msg->parsed,
(uint32_t *) & vlen))
return PARSE_ERROR;
*len = vlen;
if (arr)
return CKR_BUFFER_TOO_SMALL;
else
return CKR_OK;
}
/* Get the actual bytes */
if (!egg_buffer_get_byte_array
(&msg->buffer, msg->parsed, &msg->parsed, &val, &vlen))
return PARSE_ERROR;
*len = vlen;
/* Just asking us for size */
if (!arr)
return CKR_OK;
if (max < vlen)
return CKR_BUFFER_TOO_SMALL;
/* Enough space, yay */
memcpy(arr, val, vlen);
return CKR_OK;
}
static CK_RV
proto_read_ulong_array(GckRpcMessage * msg, CK_ULONG_PTR arr,
CK_ULONG_PTR len, CK_ULONG max)
{
uint32_t i, num;
uint64_t val;
unsigned char valid;
assert(len);
assert(msg);
/* Make sure this is in the right order */
assert(!msg->signature || gck_rpc_message_verify_part(msg, "au"));
/* A single byte which determines whether valid or not */
if (!egg_buffer_get_byte
(&msg->buffer, msg->parsed, &msg->parsed, &valid))
return PARSE_ERROR;
/* Get the number of items. */
if (!egg_buffer_get_uint32
(&msg->buffer, msg->parsed, &msg->parsed, &num))
return PARSE_ERROR;
*len = num;
/* If not valid, then just the length is encoded, this can signify CKR_BUFFER_TOO_SMALL */
if (!valid) {
if (arr)
return CKR_BUFFER_TOO_SMALL;
else
return CKR_OK;
}
if (max < num)
return CKR_BUFFER_TOO_SMALL;
/* We need to go ahead and read everything in all cases */
for (i = 0; i < num; ++i) {
egg_buffer_get_uint64(&msg->buffer, msg->parsed, &msg->parsed,
&val);
if (arr)
arr[i] = (CK_ULONG) val;
}
return egg_buffer_has_error(&msg->buffer) ? PARSE_ERROR : CKR_OK;
}
static CK_RV proto_write_mechanism(GckRpcMessage * msg, CK_MECHANISM_PTR mech)
{
assert(msg);
assert(mech);
/* Make sure this is in the right order */
assert(!msg->signature || gck_rpc_message_verify_part(msg, "M"));
/* The mechanism type */
egg_buffer_add_uint32(&msg->buffer, mech->mechanism);
/*
* PKCS#11 mechanism parameters are not easy to serialize. They're
* completely different for so many mechanisms, they contain
* pointers to arbitrary memory, and many callers don't initialize
* them completely or properly.
*
* We only support certain mechanisms.
*
* Also callers do yucky things like leaving parts of the structure
* pointing to garbage if they don't think it's going to be used.
*/
if (gck_rpc_mechanism_has_no_parameters(mech->mechanism))
egg_buffer_add_byte_array(&msg->buffer, NULL, 0);
else if (gck_rpc_mechanism_has_sane_parameters(mech->mechanism))
egg_buffer_add_byte_array(&msg->buffer, mech->pParameter,
mech->ulParameterLen);
else
return CKR_MECHANISM_INVALID;
return egg_buffer_has_error(&msg->buffer) ? CKR_HOST_MEMORY : CKR_OK;
}
static CK_RV proto_read_info(GckRpcMessage * msg, CK_INFO_PTR info)
{
assert(msg);
assert(info);
if (!gck_rpc_message_read_version(msg, &info->cryptokiVersion) ||
!gck_rpc_message_read_space_string(msg, info->manufacturerID, 32) ||
!gck_rpc_message_read_ulong(msg, &info->flags) ||
!gck_rpc_message_read_space_string(msg, info->libraryDescription,
32)
|| !gck_rpc_message_read_version(msg, &info->libraryVersion))
return PARSE_ERROR;
return CKR_OK;
}
static CK_RV proto_read_slot_info(GckRpcMessage * msg, CK_SLOT_INFO_PTR info)
{
assert(msg);
assert(info);
if (!gck_rpc_message_read_space_string(msg, info->slotDescription, 64)
|| !gck_rpc_message_read_space_string(msg, info->manufacturerID, 32)
|| !gck_rpc_message_read_ulong(msg, &info->flags)
|| !gck_rpc_message_read_version(msg, &info->hardwareVersion)
|| !gck_rpc_message_read_version(msg, &info->firmwareVersion))
return PARSE_ERROR;
return CKR_OK;
}
static CK_RV proto_read_token_info(GckRpcMessage * msg, CK_TOKEN_INFO_PTR info)
{
assert(msg);
assert(info);
if (!gck_rpc_message_read_space_string(msg, info->label, 32) ||
!gck_rpc_message_read_space_string(msg, info->manufacturerID, 32) ||
!gck_rpc_message_read_space_string(msg, info->model, 16) ||
!gck_rpc_message_read_space_string(msg, info->serialNumber, 16) ||
!gck_rpc_message_read_ulong(msg, &info->flags) ||
!gck_rpc_message_read_ulong(msg, &info->ulMaxSessionCount) ||
!gck_rpc_message_read_ulong(msg, &info->ulSessionCount) ||
!gck_rpc_message_read_ulong(msg, &info->ulMaxRwSessionCount) ||
!gck_rpc_message_read_ulong(msg, &info->ulRwSessionCount) ||
!gck_rpc_message_read_ulong(msg, &info->ulMaxPinLen) ||
!gck_rpc_message_read_ulong(msg, &info->ulMinPinLen) ||
!gck_rpc_message_read_ulong(msg, &info->ulTotalPublicMemory) ||
!gck_rpc_message_read_ulong(msg, &info->ulFreePublicMemory) ||
!gck_rpc_message_read_ulong(msg, &info->ulTotalPrivateMemory) ||
!gck_rpc_message_read_ulong(msg, &info->ulFreePrivateMemory) ||
!gck_rpc_message_read_version(msg, &info->hardwareVersion) ||
!gck_rpc_message_read_version(msg, &info->firmwareVersion) ||
!gck_rpc_message_read_space_string(msg, info->utcTime, 16))
return PARSE_ERROR;
return CKR_OK;
}
static CK_RV
proto_read_mechanism_info(GckRpcMessage * msg, CK_MECHANISM_INFO_PTR info)